Markus's Miasma

Markus's Miasma is a 2D puzzle horror game set in a fog-drenched, distorted version of UC Santa Cruz. You explore eerie paths and buildings, solve puzzles and uncover the story of Markus, whose dark past is bleeding into reality.

Explore the campus

You navigate haunted versions of labs, libraries and forest trails, including surreal reimaginings of Quarry Plaza and Porter Meadow. Familiar places are warped by guilt and memory, while the fog obscures what lies ahead. Logic puzzles open new areas and reveal fragments of Markus’s mind.

Uncover Markus’s story

The branching narrative explores trauma, regret and identity. Your choices affect how much of Markus’s truth you uncover, as you piece together buried memories and investigate the mystery behind him. The game focuses on slow-building dread, psychological unease and eerie sound design. An estimated playthrough takes 1–2 hours.

The characters, locations and events are fictional. The setting draws inspiration from the real UC Santa Cruz campus but does not reflect the actual university.